Finding the Fourth Proportional to 88,177.15, 121,685.34 and 47,891.70
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Solution
The fourth proportional to 88,177.15, 121,685.34 and 47,891.70 is: 66,091.02
Step by Step Solution
- Step 1: Write the proportion equation
88,177.15 : 121,685.34 = 47,891.70 : x - Step 2: Convert to fraction form
88,177.15/121,685.34 = 47,891.70/x - Step 3: Cross multiply
88,177.15x = 121,685.34 × 47,891.70 - Step 4: Simplify right side
88,177.15x = 5,827,717,189.25 - Step 5: Solve for x
x = 5,827,717,189.25/88,177.15 - Step 6: Final answer
x = 66,091.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.